diff --git a/src/Squidex.Domain.Apps.Entities/Contents/GraphQL/Middlewares.cs b/src/Squidex.Domain.Apps.Entities/Contents/GraphQL/Middlewares.cs
index e5198342f..813e4367c 100644
--- a/src/Squidex.Domain.Apps.Entities/Contents/GraphQL/Middlewares.cs
+++ b/src/Squidex.Domain.Apps.Entities/Contents/GraphQL/Middlewares.cs
@@ -34,7 +34,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.GraphQL
                             .WriteProperty("status", "failed")
                             .WriteProperty("field", context.FieldName));
 
-                        throw ex;
+                        throw;
                     }
                 };
             });
diff --git a/src/Squidex.Domain.Apps.Entities/Contents/GraphQL/Types/Extensions.cs b/src/Squidex.Domain.Apps.Entities/Contents/GraphQL/Types/Extensions.cs
index 5b78b2728..ba0bd5d59 100644
--- a/src/Squidex.Domain.Apps.Entities/Contents/GraphQL/Types/Extensions.cs
+++ b/src/Squidex.Domain.Apps.Entities/Contents/GraphQL/Types/Extensions.cs
@@ -42,7 +42,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.GraphQL.Types
 
         public static async Task<IReadOnlyList<T>> LoadManyAsync<TKey, T>(this IDataLoader<TKey, T> dataLoader, ICollection<TKey> keys) where T : class
         {
-            var contents = await Task.WhenAll(keys.Select(x => dataLoader.LoadAsync(x)));
+            var contents = await Task.WhenAll(keys.Select(dataLoader.LoadAsync));
 
             return contents.Where(x => x != null).ToList();
         }
diff --git a/src/Squidex/Areas/Api/Controllers/Apps/AppsController.cs b/src/Squidex/Areas/Api/Controllers/Apps/AppsController.cs
index 0c8c0d76c..ea4d0f4b6 100644
--- a/src/Squidex/Areas/Api/Controllers/Apps/AppsController.cs
+++ b/src/Squidex/Areas/Api/Controllers/Apps/AppsController.cs
@@ -17,7 +17,6 @@ using Squidex.Domain.Apps.Entities.Apps.Services;
 using Squidex.Infrastructure.Commands;
 using Squidex.Infrastructure.Security;
 using Squidex.Shared;
-using Squidex.Shared.Identity;
 using Squidex.Web;
 
 namespace Squidex.Areas.Api.Controllers.Apps
diff --git a/tests/Squidex.Domain.Apps.Entities.Tests/Contents/GraphQL/GraphQLTestBase.cs b/tests/Squidex.Domain.Apps.Entities.Tests/Contents/GraphQL/GraphQLTestBase.cs
index d083fc3f3..51edc65c4 100644
--- a/tests/Squidex.Domain.Apps.Entities.Tests/Contents/GraphQL/GraphQLTestBase.cs
+++ b/tests/Squidex.Domain.Apps.Entities.Tests/Contents/GraphQL/GraphQLTestBase.cs
@@ -38,7 +38,6 @@ namespace Squidex.Domain.Apps.Entities.Contents.GraphQL
         protected readonly IAppEntity app;
         protected readonly IAssetQueryService assetQuery = A.Fake<IAssetQueryService>();
         protected readonly IContentQueryService contentQuery = A.Fake<IContentQueryService>();
-        protected readonly IDependencyResolver dependencyResolver;
         protected readonly IJsonSerializer serializer = TestUtils.CreateSerializer(TypeNameHandling.None);
         protected readonly ISchemaEntity schema;
         protected readonly Context requestContext;
diff --git a/tests/Squidex.Domain.Apps.Entities.Tests/Contents/Queries/ContentQueryServiceTests.cs b/tests/Squidex.Domain.Apps.Entities.Tests/Contents/Queries/ContentQueryServiceTests.cs
index eb4671583..458577e6e 100644
--- a/tests/Squidex.Domain.Apps.Entities.Tests/Contents/Queries/ContentQueryServiceTests.cs
+++ b/tests/Squidex.Domain.Apps.Entities.Tests/Contents/Queries/ContentQueryServiceTests.cs
@@ -435,7 +435,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
         private void SetupContents(Status[] status, int total, List<Guid> ids, bool includeDraft)
         {
             A.CallTo(() => contentRepository.QueryAsync(app, schema, A<Status[]>.That.Is(status), A<HashSet<Guid>>.Ignored, includeDraft))
-                .Returns(ResultList.Create(total, ids.Select(x => CreateContent(x)).Shuffle()));
+                .Returns(ResultList.Create(total, ids.Select(CreateContent).Shuffle()));
         }
 
         private void SetupContents(Status[] status, List<Guid> ids, bool includeDraft)